Finding the Fourth Proportional to 297,364.38, 445,989.87 and 84,130.53
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Solution
The fourth proportional to 297,364.38, 445,989.87 and 84,130.53 is: 126,179.75
Step by Step Solution
- Step 1: Write the proportion equation
297,364.38 : 445,989.87 = 84,130.53 : x - Step 2: Convert to fraction form
297,364.38/445,989.87 = 84,130.53/x - Step 3: Cross multiply
297,364.38x = 445,989.87 × 84,130.53 - Step 4: Simplify right side
297,364.38x = 37,521,364,137.73 - Step 5: Solve for x
x = 37,521,364,137.73/297,364.38 - Step 6: Final answer
x = 126,179.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.